/**
* @brief Removes and destroys the entities placed in the entities_to_remove list.
*/
void MapEntities::remove_marked_entities() {
list<MapEntity*>::iterator it;
// remove the marked entities
for (it = entities_to_remove.begin();
it != entities_to_remove.end();
it++) {
MapEntity *entity = *it;
Layer layer = entity->get_layer();
// remove it from the obstacle entities list if present
if (entity->can_be_obstacle()) {
if (entity->has_layer_independent_collisions()) {
for (int i = 0; i < LAYER_NB; i++) {
obstacle_entities[i].remove(entity);
}
}
else {
obstacle_entities[layer].remove(entity);
}
}
// remove it from the detectors list if present
if (entity->can_detect_entities()) {
detectors.remove((Detector*) entity);
}
// remove it from the sprite entities list if present
if (entity->is_displayed_in_y_order()) {
entities_displayed_y_order[layer].remove(entity);
}
else if (entity->can_be_displayed()) {
entities_displayed_first[layer].remove(entity);
}
// remove it from the whole list
all_entities.remove(entity);
// destroy it
delete entity;
}
entities_to_remove.clear();
}
/**
* \brief Changes the layer of an entity.
*
* Only some specific entities should change their layer.
*
* \param entity an entity
* \param layer the new layer
*/
void MapEntities::set_entity_layer(MapEntity& entity, Layer layer) {
Layer old_layer = entity.get_layer();
if (layer != old_layer) {
// update the obstacle list
if (entity.can_be_obstacle() && !entity.has_layer_independent_collisions()) {
obstacle_entities[old_layer].remove(&entity);
obstacle_entities[layer].push_back(&entity);
}
// update the ground observers list
if (entity.is_ground_observer()) {
ground_observers[old_layer].remove(&entity);
ground_observers[layer].push_back(&entity);
}
// update the ground modifiers list
if (entity.is_ground_modifier()) {
ground_modifiers[old_layer].remove(&entity);
ground_modifiers[layer].push_back(&entity);
}
// update the sprites list
if (entity.is_drawn_in_y_order()) {
entities_drawn_y_order[old_layer].remove(&entity);
entities_drawn_y_order[layer].push_back(&entity);
}
else if (entity.can_be_drawn()) {
entities_drawn_first[old_layer].remove(&entity);
entities_drawn_first[layer].push_back(&entity);
}
// update the entity after the lists because this function might be called again
entity.set_layer(layer);
}
}
/**
* \brief Removes and destroys the entities placed in the entities_to_remove list.
*/
void MapEntities::remove_marked_entities() {
list<MapEntity*>::iterator it;
// remove the marked entities
for (it = entities_to_remove.begin();
it != entities_to_remove.end();
it++) {
MapEntity* entity = *it;
Layer layer = entity->get_layer();
// remove it from the obstacle entities list if present
if (entity->can_be_obstacle()) {
if (entity->has_layer_independent_collisions()) {
for (int i = 0; i < LAYER_NB; i++) {
obstacle_entities[i].remove(entity);
}
}
else {
obstacle_entities[layer].remove(entity);
}
}
// remove it from the detectors list if present
if (entity->is_detector()) {
detectors.remove(static_cast<Detector*>(entity));
}
// remove it from the ground obsevers list if present
if (entity->is_ground_observer()) {
ground_observers[layer].remove(entity);
}
// remove it from the ground modifiers list if present
if (entity->is_ground_modifier()) {
ground_modifiers[layer].remove(entity);
}
// remove it from the sprite entities list if present
if (entity->is_drawn_in_y_order()) {
entities_drawn_y_order[layer].remove(entity);
}
else if (entity->can_be_drawn()) {
entities_drawn_first[layer].remove(entity);
}
// remove it from the whole list
all_entities.remove(entity);
const std::string& name = entity->get_name();
if (!name.empty()) {
named_entities.erase(name);
}
// update the specific entities lists
switch (entity->get_type()) {
case STAIRS:
stairs[layer].remove(static_cast<Stairs*>(entity));
break;
case CRYSTAL_BLOCK:
crystal_blocks[layer].remove(static_cast<CrystalBlock*>(entity));
break;
case SEPARATOR:
separators.remove(static_cast<Separator*>(entity));
break;
case BOOMERANG:
this->boomerang = NULL;
break;
default:
break;
}
// destroy it
destroy_entity(entity);
}
entities_to_remove.clear();
}
